- else {
- rtr_current=hardware_p->rtr_queue;
- while (rtr_current->next != NULL)
- rtr_current=rtr_current->next;
- new_rtr_entry=(struct rtr_id *)kmalloc(sizeof(struct rtr_id),GFP_ATOMIC);
- rtr_current->next=new_rtr_entry;
- }
-#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,2,19))
- init_waitqueue(&new_rtr_entry->rtr_wq);
-#else
- init_waitqueue_head(&new_rtr_entry->rtr_wq);
-#endif
- new_rtr_entry->id = read_msg.id;
- new_rtr_entry->rtr_message = &read_msg;
- new_rtr_entry->next=NULL;
-
- spin_unlock_irqrestore(&hardware_p->rtr_lock, flags);
-
- /* Send remote transmission request */
- chip->chipspecops->remote_request(chip,obj);
- obj->ret = 0;
- interruptible_sleep_on(&new_rtr_entry->rtr_wq);
-
- spin_lock_irqsave(&hardware_p->rtr_lock, flags);
- copy_to_user(buffer, &read_msg, sizeof(struct canmsg_t));
- if (hardware_p->rtr_queue == new_rtr_entry) {
- if (new_rtr_entry->next != NULL)
- hardware_p->rtr_queue=new_rtr_entry->next;
- else
- hardware_p->rtr_queue=NULL;
- }
- else {
- rtr_current=hardware_p->rtr_queue;
- while (rtr_current->next != new_rtr_entry)
- rtr_current=rtr_current->next;
- if (new_rtr_entry->next != NULL)
- rtr_current->next=new_rtr_entry->next;
- else
- rtr_current->next=NULL;
- }
- spin_unlock_irqrestore(&hardware_p->rtr_lock, flags);
- kfree(new_rtr_entry);